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I bought a 1986 bmw 325e for a great price no rust just had a small electrical problem. where the door closes there are wires for mirror and locks. windows and pritty much everything thing and there were cororted to i bought 18 gage wire and souterd them together to get rid of the corrostion. i crawled into the back to desconnect the battery before i did this all. i put heat striknk on it to protect from this happening again. when i was all done nothing work. nothing turned on. it wont start . so on so forwith. what could be the problem. i change all the burned out fuses . could it be relay???? what is you soultion that i can do to get this car back on the road.

really you think it is the terminal problem because it's nothing to do with the car. the car was great running the engine great. i would say the battery to because nothing turns on no lights no crank nothing. engine doesn't bugge or the light don't even flickers. iam gonna clean them up and if nothing gonna replace the terminals. ill give it shop tm and see what happends . if you have anything else let me no thanks alot

the thing is before i did all this the car was perfect . the only thing that could have happend was they touched. or i disconnect negative first. when i put the postive on first i seen a spark . or the relays could be shot . how do you test the releys???